CVE-2020-26521

Name	CVE-2020-26521
Description	The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	988950

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
golang-github-nats-io-jwt (PTS)	bookworm	2.3.0-1	fixed
	trixie	2.5.2-2	fixed
	sid	2.7.3-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
golang-github-nats-io-jwt	source	(unstable)	2.2.0-1			988950

Notes

[buster] - golang-github-nats-io-jwt <postponed> (Limited support, minor issue, requires rebuilding golang-github-nats-io-gnatsd)
https://advisories.nats.io/CVE/CVE-2020-26521.txt
https://github.com/nats-io/jwt/security/advisories/GHSA-h2fg-54x9-5qhq